Rainbow Electronics U6820BM - Manual (Page 5)

5
U6820BM
4527A–BCD–03/02
Figure 3. Data Transfer Timing Diagram
Table 2. AC Characteristics for Testing
Specification Conditions Minimum Maximum Unit
t
r
(rise) 10% to 90% V
CC
on CLK, DI and CS 10 ns
t
f
(fall) 10% to 90% V
CC
on CLK, DI and CS 10 ns
t
CLKP
1/2 V
CC
250 ns
t
CLKH
1/2 V
CC
100 ns
t
CLKL
1/2 V
CC
100 ns
t
CLKCS
1/2 V
CC
150 ns
t
CSCLK
1/2 V
CC
100 ns
t
DICLK
1/2 V
CC
80 ns
t
DIH/L
1/2 V
CC
100 ns
t
CLKCSH
1/2 V
CC
100 ns
t
CS
1/2 V
CC
250 ns
t
CSCLK
t
CLKP
t
CLKH
t
CLKL
t
DICLK
t
DIH/L
t
CLKCS
50%
50%
50%
t
CLKCSH
t CS
CLK
DI
CS
90 %
10%
t
r
90 %
t
f
LSB MSB